213529600

素因数分解:

$2^{10}\times 5^2\times {\mathrm{19}}^1\times {\mathrm{439}}^1$

素因数の和:488

約数の個数: 132

約数和(自身を含む): 558421600

約数和(自身を除く): 344892000

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 32, 38, 40, 50, 64, 76, 80, 95, 100, 128, 152, 160, 190, 200, 256, 304, 320, 380, 400, 439, 475, 512, 608, 640, 760, 800, 878, 950, 1024, 1216, 1280, 1520, 1600, 1756, 1900, 2195, 2432, 2560, 3040, 3200, 3512, 3800, 4390, 4864, 5120, 6080, 6400, 7024, 7600, 8341, 8780, 9728, 10975, 12160, 12800, 14048, 15200, 16682, 17560, 19456, 21950, 24320, 25600, 28096, 30400, 33364, 35120, 41705, 43900, 48640, 56192, 60800, 66728, 70240, 83410, 87800, 97280, 112384, 121600, 133456, 140480, 166820, 175600, 208525, 224768, 243200, 266912, 280960, 333640, 351200, 417050, 449536, 486400, 533824, 561920, 667280, 702400, 834100, 1067648, 1123840, 1334560, 1404800, 1668200, 2135296, 2247680, 2669120, 2809600, 3336400, 4270592, 5338240, 5619200, 6672800, 8541184, 10676480, 11238400, 13345600, 21352960, 26691200, 42705920, 53382400, 106764800, 213529600]

約数ペア:

[(1, 213529600), (2, 106764800), (4, 53382400), (5, 42705920), (8, 26691200), (10, 21352960), (16, 13345600), (19, 11238400), (20, 10676480), (25, 8541184), (32, 6672800), (38, 5619200), (40, 5338240), (50, 4270592), (64, 3336400), (76, 2809600), (80, 2669120), (95, 2247680), (100, 2135296), (128, 1668200), (152, 1404800), (160, 1334560), (190, 1123840), (200, 1067648), (256, 834100), (304, 702400), (320, 667280), (380, 561920), (400, 533824), (439, 486400), (475, 449536), (512, 417050), (608, 351200), (640, 333640), (760, 280960), (800, 266912), (878, 243200), (950, 224768), (1024, 208525), (1216, 175600), (1280, 166820), (1520, 140480), (1600, 133456), (1756, 121600), (1900, 112384), (2195, 97280), (2432, 87800), (2560, 83410), (3040, 70240), (3200, 66728), (3512, 60800), (3800, 56192), (4390, 48640), (4864, 43900), (5120, 41705), (6080, 35120), (6400, 33364), (7024, 30400), (7600, 28096), (8341, 25600), (8780, 24320), (9728, 21950), (10975, 19456), (12160, 17560), (12800, 16682), (14048, 15200)]